// 大框
.toutou{
    width: 100%;
    height: 100%;
}
.topxiazi{
    height: 50%;
    width: 100%;
    display: flex;
    justify-content: space-around;
}

.xiadahezi{
    width: 100%;
    height: 38%;
   display: flex;
   flex-wrap: wrap;
   justify-content: flex-start;
   align-content: space-around;
 .bo1{
    margin-bottom: 10px;
 }
}
.bo2{
    display: flex;

}
.aiccc{
    width: 100%;
    height: 100%;
}
.toubu{
    width: 100%;
    height: 50%;
    display: flex;
    justify-content: space-around;
}
.dibu{
    width: 100%;
    height: 50%; 
    display: flex;
    justify-content: space-around;
}
// 小型组件